Physical Science Final Exam Study Guide

What determines the identity of an element?

• Number of neutrons

• Number of electrons

• Number of protons

• Atomic mass

Which property is shared by all isotopes of an element?

• Same mass number

• Same number of protons

• Same number of neutrons

• Same number of electrons

What is the mass number of an atom with 6 protons, 6 neutrons, and 6 electrons?

• 6

• 12

• 18

• 36

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NGSS.MS-PS1-1

What type of ion is formed when an atom gains electrons?

• Cation

• Proton

• Anion

• Isotope

What type of bond involves the sharing of electrons?

• Ionic

• Metallic

• Hydrogen

• Covalent

Tags

NGSS.HS-PS1-1

Which of the following is a property of ionic compounds?

• Low melting point

• Conduct electricity when dissolved in water

• Soft and malleable

• Poor solubility in water

The atomic number of an element refers to the number of:

• Neutrons

• Electrons

• Protons

• Isotopes

What type of decay emits a helium nucleus?

• Beta decay

• Gamma decay

• Alpha decay

• Positron emission

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NGSS.HS-PS1-8

Which particle has no charge?

• Proton

• Neutron

• Electron

• Alpha particle

Which process powers the sun?

• Nuclear fission

• Combustion

• Nuclear fusion

• Chemical reaction

Tags

NGSS.HS-ESS1-1

NGSS.HS-PS1-8